Ontario. Ministry of Finance

Site: Oshawa - Client Services Branch

Service: Ontario Guaranteed Annual Income System

Agency and Service Names
Alternate Name GAINS
Contact Information
Toll Free Phone 1-866-668-8297 (1-866-ONT-TAXS)
TDD Phone 1-800-263-7776
Website www.rev.gov.on.ca/en/credit/gains/
Social Media Twitter Twitter
Agency Information
Parent Agency Name Ontario. Ministry of Finance
Legal Status (30) Provincial Government
Primary Executive Hon Charles Sousa, Minister of Finance
Funding Provincial
Service Information
Description (Service) This program ensures a guaranteed minimum income for Ontario seniors.  
* provides monthly payments to qualifying pensioners on top of the federal Old Age Security (OAS) pension and the Guaranteed Income Supplement (GIS) payments 
* Ontario Ministry of Finance administers the GAINS program and Service Canada delivers the OAS and GIS for the Department of Human Resources and Skills Development 
* for a list of OAS/GIS/GAINS payments, see the GAINS Benefit Rate Tables
Hours Mon-Fri 8:30 am-5 pm
Areas Served Ontario
Eligibility Ages: 65 year(s) and up 
You are eligible to receive GAINS payments if : 
* you are an Ontario resident, 65 years of age or older, and receive the federal Old Age Security (OAS) and the federal Guaranteed Income Supplement (GIS) 
* you are and have been a permanent resident of Ontario for the past 12 months, or you previously lived in Ontario for a total of 20 years after the age of 18 
* your total income from all sources is below the level guaranteed by the province 
You are also eligible to receive GAINS payments if you meet the criteria in the last 2 points above and: 
* you receive OAS and GIS benefits under the federal International Social Security Agreement program 
* and you have 10 or more years of Canadian residency
Application No application is necessary * if you meet the eligibility requirements, your benefits will be determined automatically based on the information the Ministry receives from Human Resources and Skills Development Canada
Languages English ; French
Fees None
Site Information
Located In Community Oshawa (City of)
Address & Map
Michael Starr Building
33 King St W
Oshawa, ON L1H 8H8
View Google Map
Intersection Simcoe St S and King St E
Mailing Address c/o Client Accounts and Services Branch 
PO Box 624 
33 King St W 
Oshawa, ON L1H 8H5
Accessibility Fully Accessible
Additional Service Sites
Taxonomy and Classification
Service Categories Guaranteed Income Supplement